* {
	padding: 0;
	margin: 0;
}

li {
	list-style: none;
}

body,html{
	height: 100%;
	padding: 0;
	margin: 0;
	position: relative;
	max-width: 1920px;
}
/* 背景视频 */
.bg{
	width: 100%;
	height: 100%;
	overflow: hidden;
	position: absolute;
	top: -5px;
	right: 0;
	z-index: -99;
	
}
.bg video{
	object-fit: fill;
}
.box {
	width: 100%;
	height: 100%;
	min-width: 1200px;
}
/* 头部样式 */
.header {
	width: 100%;
	height: 106px;
	align-items: center;
	display: flex;
	justify-content: space-between;
}

.logo {
	margin-left: 91px;
}

.logo img {
	width: 72px;
	height: 25px;
}

.nav {
	display: flex;
	justify-content: space-around;
	align-items: center;
	margin-right: 76px;
	min-width: 1080px;
	color: #fff;
	font-size: 16px;
}

.nav img {
	margin-left: 4px;
	width: 6px;
	height: 6px;
	align-items: center;
	transform: rotate(90deg);
	vertical-align: middle;
}
.nav li{
	cursor: pointer;
}
.select {
	position: relative;
}

.select::before {
	content: "";
	width: 33px;
	height: 3px;
	background-color: rgba(0, 0, 0, .2);
	position: absolute;
	top: 30px;
	left: 0;
	border-radius: 2px;
}
/* 二级菜单 */
.menu {
	background-color: #fff;
	color: #333;
	font-weight: 300;
	text-decoration: none;
	font-size: 16px;
	text-align: center;
	overflow: hidden;
	border-radius: 10px;
	position: absolute;
	top: 62px;
	left: -30%;
	display: none;
	z-index: 999;
}

.menu li {
	width: 140px;
	left: 46px;
	box-sizing: border-box;
	color: #333;
	font-weight: 300;
	text-decoration: none;
	font-size: 16px;
	line-height: 16px;
	padding: 15px 30px;
	cursor: pointer;
	
}
.menu li:hover{
	background-color: #f5f5f5;
}
.menu-hover{
	position: relative;
}
.menu-hover:hover .menu{
	display: block;
}
.upload{
	width:70px;
	height: 40px;
	background-image: url(../images/nav-pic.png);
	background-size: contain;
	position: absolute;
	top: -35px;
	left: 65px;
	line-height: 28px;
	font-size: 10px;
	text-align: center;
}
/* 中部样式 */

.middle{
	width: 500px;
	height: 420px;
	margin: 0 auto;
	position: relative;
	margin-top: 70px;
}
.middle-left{
	float: left;
}
.iphone{
	width: 200px;
	height: 300px;
	background-image: url(../images/iphone.png);
	background-repeat: no-repeat;
	background-size: contain;
	position: absolute;
	top: 0;
}
/* .video{
	height: 300px;
	overflow: hidden;
} */
video{
	width: 180px;
	height: 280px;
	margin-left: -15px;
	margin-top: 10px;
	border-radius: 20px;
	
}
.slogan{
	width: 300px;
	float: right;
	margin-top: 60px;
}
.slogan-logo,.slogan-logo img{
	width: 110px;
	height: 36px;
}
.slogan h2{
	font-size: 36px;
	margin-top: 13px;
	color: #fff;
	font-weight: 400;
}
.slogan span{
	display: inline-block;
	width: 110px;
	height: 30px;
	font-size: 12px;
	color: #333;
	background-color: #fff;
	border-radius: 20px 20px;
	text-align: center;
	position: relative;
	margin-top: 40px;
	cursor: pointer;
}
.slogan span>img{
	width: 20px;
	margin-top: 5px;
	vertical-align: bottom;
}
.pic{
	padding: 5px 5px 0px 5px;
	background-color: #fff;
	position: absolute;
	top: 30px;
	left: 0;
	z-index: 99;
	border-top: 1px solid #eee;
	display: none;
}
.pic img{
	width: 100px;
	height: 100px;
}
.slogan span:hover{
	border-radius: 20px 20px 0 0;
}
.slogan span:hover .pic{
	display: block;
}

/* 底部 */
footer{
	width: 1200px;
	margin: 0 auto;
	position: fixed;
	left: 50%;
	bottom: 30px;
	transform: translateX(-50%);
}
footer ul{
	display: flex;
	justify-content: space-between;
	padding: 0 60px 0 40px;
	font-size: 14px;
	color: #fff;
	margin-bottom: 20px;
}
footer ul li{
	cursor: pointer;
}
.font-text{
	font-size: 12px;
	line-height: 18px;
	color: #999;
	text-align: center;
}
.font-text img{
	width: 14px;
	vertical-align: top;
}
.font-text:nth-child(2) img{
	width: 16px;
	vertical-align: middle;
}